TL7702BIDRE4

Product Overview

Category: Integrated Circuits (ICs)

Use: TL7702BIDRE4 is a voltage supervisor and reset IC. It monitors the power supply voltage of a system and generates a reset signal when the voltage falls below a predetermined threshold. This ensures proper operation of the system by resetting it when the power supply voltage is insufficient.

Characteristics: - Low power consumption - Wide operating voltage range - Adjustable reset threshold - Precision voltage reference - Open-drain output - Small package size

Package: TL7702BIDRE4 is available in a small 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of TL7702BIDRE4 lies in its ability to monitor the power supply voltage and generate a reset signal, ensuring reliable operation of electronic systems.

Packaging/Quantity: TL7702BIDRE4 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 18V
• Reset Threshold Voltage Range: 1.2V to VCC - 0.6V
• Quiescent Current: 25µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Open-drain
• Output Voltage: VCC or GND

Detailed Pin Configuration

The TL7702BIDRE4 IC has the following pin configuration:

1. GND: Ground connection
2. RESET: Reset output
3. VCC: Positive power supply
4. THRESHOLD: Threshold voltage adjustment
5. SENSE: Voltage sense input
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Power supply voltage monitoring
• Adjustable reset threshold
• Precision voltage reference
• Open-drain reset output
• Low power consumption

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows for versatile applications - Adjustable reset threshold provides flexibility in system design - Low power consumption helps conserve energy - Small package size saves board space

Disadvantages: - Lack of built-in hysteresis may lead to potential noise-related issues - Limited number of available pins restricts additional functionality integration

Working Principles

TL7702BIDRE4 operates by continuously monitoring the voltage at the SENSE pin. When the voltage falls below the threshold set by the THRESHOLD pin, the RESET output is pulled low, indicating a reset condition. The reset signal remains active until the voltage rises above the threshold again.

Detailed Application Field Plans

TL7702BIDRE4 finds applications in various electronic systems where reliable power supply monitoring and reset functionality are crucial. Some common application fields include: - Microcontrollers and microprocessors - Industrial control systems - Automotive electronics - Power management circuits - Battery-powered devices

Detailed and Complete Alternative Models

1. TL7700AID: Similar voltage supervisor IC with fixed reset threshold.
2. TL7705AID: Voltage supervisor IC with adjustable reset threshold and additional features.
3. MAX809: Voltage supervisor IC with integrated watchdog timer.
4. ADM6315: Voltage supervisor IC with manual reset input and adjustable reset threshold.

These alternative models offer similar functionality to TL7702BIDRE4 and can be considered based on specific requirements and preferences.

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